Axillary lymph-node (ALN) positivity.

Axillary Lymph-Node Dissection (ALND) was performed during surgery from most of the patients analyzed. ALN positivity is among the most powerful prognostic factors is of great value as an independent predictor of distant disease development. In the table, data divided into cases and controls significantly confirm that having positive ALNs increases the risk of developing a metastasis.